Finding the Fourth Proportional to 107,264.20, 148,027.96 and 59,521.99
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Solution
The fourth proportional to 107,264.20, 148,027.96 and 59,521.99 is: 82,142.21
Step by Step Solution
- Step 1: Write the proportion equation
107,264.20 : 148,027.96 = 59,521.99 : x - Step 2: Convert to fraction form
107,264.20/148,027.96 = 59,521.99/x - Step 3: Cross multiply
107,264.20x = 148,027.96 × 59,521.99 - Step 4: Simplify right side
107,264.20x = 8,810,918,401.91 - Step 5: Solve for x
x = 8,810,918,401.91/107,264.20 - Step 6: Final answer
x = 82,142.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.